Hydrozoa | Leptothecata
Migotto, A.E., A.C. Marques, A.C. Morandini and F.L. da Silveira. 2002. (Ref. 813)
Size / Weight / Age
Sessile; depth range 0 - 100 m (Ref. 86643)
Climate / Range
Atlantic, Pacific, Caribbean and Arctic Oceans. Mostly polar, but also in subtropical and boreal.
Known from shallow reefs, shallow coastal benthic habitats (< 25 m), upper slope (> 100m), tops of Challenger and Argus seamounts (Refs. 86643). Also found in Carrie Bow Cay, Belize, in reef crest areas on substrates composed of dead corals and gorgonians at depths of 0.2 m. As with other hydroids, this species exhibits a pelagic medusiod stage (Ref. 87156). Reproduction occurs only in hydroid stage (Ref. 1663, p. 22).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models